Pen



FIG. 1 is a front elevational view of a pen showing my new design, theback elevational view being a mirror image thereof;

FIG. 2 is a bottom plan view of the pen in FIG. 1;

FIG. 3 is a top plan view of the pen in FIG. 1;

FIG. 4 is a right side elevational view of the pen in FIG. 1;

FIG. 5 is a left side elevational view of the pen in FIG. 1; and,

FIG. 6 is a perspective view of the pen in FIG. 1.

The ornamental design for a pen, as shown and described.